diff --git a/libksba-1.3.0-multilib.patch b/libksba-1.3.0-multilib.patch
deleted file mode 100644
index 89f40967f7c2bfee35bc04a5023d6d7c367a0f3e..0000000000000000000000000000000000000000
--- a/libksba-1.3.0-multilib.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-diff -up libksba-1.3.0/src/ksba-config.in.multilib libksba-1.3.0/src/ksba-config.in
---- libksba-1.3.0/src/ksba-config.in.multilib	2011-02-25 09:33:11.000000000 +0100
-+++ libksba-1.3.0/src/ksba-config.in	2012-12-03 16:17:52.050832689 +0100
-@@ -15,7 +15,7 @@ cflags="@KSBA_CONFIG_CFLAGS@ @GPG_ERROR_
- prefix=@prefix@
- exec_prefix=@exec_prefix@
- api_version="@KSBA_CONFIG_API_VERSION@"
--my_host="@KSBA_CONFIG_HOST@"
-+my_host="none"
- 
- includes=""
- libdirs=""
-@@ -125,10 +125,6 @@ if test "$echo_cflags" = "yes"; then
- fi
- 
- if test "$echo_libs" = "yes"; then
--    libdirs=""
--    if test "@libdir@" != "/usr/lib" ; then
--      libdirs="-L@libdir@"
--    fi
-     tmp=""
-     for i in $libdirs $libs; do
-        if echo "$tmp" | fgrep -v -- "$i" >/dev/null; then
diff --git a/libksba.spec b/libksba.spec
index b231203de6ed5ec8675c2aec6b4c105eef545e4b..5628aa80eb1d9dafea259eba542f62a4ecf0d907 100644
--- a/libksba.spec
+++ b/libksba.spec
@@ -1,14 +1,12 @@
 Name:     libksba
 Version:  1.3.5
-Release:  11
+Release:  12
 Summary:  A library for X.509 and CMS
 License:  (LGPL-3.0+ or GPL-2.0+) and GPL-3.0+ and MIT
 URL:      https://www.gnupg.org/software/libksba/index.html
 Source0:  ftp://ftp.gnupg.org/gcrypt/libksba/libksba-%{version}.tar.bz2
 Source1:  ftp://ftp.gnupg.org/gcrypt/libksba/libksba-%{version}.tar.bz2.sig
 
-Patch1:   libksba-1.3.0-multilib.patch
-
 BuildRequires: gcc gawk libgpg-error-devel >= 1.8 libgcrypt-devel >= 1.2.0
 
 %description
@@ -77,6 +75,9 @@ fi
 %{_datadir}/info/ksba.info.gz
 
 %changelog
+* Sat Jan 11 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.3.5-12
+- delete unused patch
+
 * Wed Oct 9 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.3.5-11
 - Type:enhancement
 - ID:NA